CN112586888A

CN112586888A - Adjustable telescopic student desk and chair

Info

Publication number: CN112586888A
Application number: CN202011396219.XA
Authority: CN
Inventors: 王炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-04-02

Abstract

The invention relates to a desk and chair, in particular to an adjustable telescopic student desk and chair. The invention aims to provide an adjustable telescopic student desk and chair capable of adjusting the height of the desk and chair. An adjustable telescopic student desk and chair, comprising: a fixed mount; the supporting plate is arranged on the fixing frame; the seat lifting mechanism is arranged on the supporting plate; the desk lifting mechanism is arranged on the fixed frame. The invention can be used by students in class, and the height of the seat board and the height of the desk board can be simply adjusted by the seat lifting mechanism and the desk lifting mechanism, so that the invention can adapt to students with different heights, and the students can concentrate attention in class.

Description

Adjustable telescopic student desk and chair

Technical Field

The invention relates to a desk and chair, in particular to an adjustable telescopic student desk and chair.

Background

The desk and chair is a classroom tool which is needed by students when the students go to school for the students to go to class comfortably, meanwhile, the students can put partial books and other articles in the desk and chair, and the desk and chair can store the articles.

Because the physique of each student is different, even the students of the same age, the height is also different, consequently, the desk chair height that is used to also be different, but traditional desk chair height is fixed, can't adjust the height of desk chair, so can't accomplish all students and sit in the desk chair of suitable height and go on class, can't make the student focus on when going on class easily.

Therefore, there is a need to design an adjustable and retractable student desk and chair that can adjust the height of the desk and chair.

Disclosure of Invention

The invention aims to overcome the defect that the height of the traditional desk and chair can not be adjusted, and students can not focus attention when sitting on the desk and chair with improper height to class, and the invention provides an adjustable telescopic student desk and chair capable of adjusting the height of the desk and chair.

The technical scheme is as follows: an adjustable telescopic student desk and chair, comprising: a fixed mount; the supporting plate is arranged on the fixing frame; the seat lifting mechanism is arranged on the supporting plate; the desk lifting mechanism is arranged on the fixed frame.

Further, it is particularly preferable that the seat lifting mechanism includes: the supporting seat is arranged on the supporting plate; the first screw rod is arranged on the supporting seat through threads; the worm wheel is arranged on the first screw rod; the seat plate is rotatably arranged on the first screw rod; the first bearing seats are arranged on two sides of the seat plate; the second bearing seat is arranged on the seat plate; the worm is arranged between the second bearing seat and the first bearing seat and is meshed with the worm wheel; the first rotating disc is installed on the worm.

Further, it is particularly preferable that the table lifting mechanism includes: the second screw rods are rotatably and symmetrically arranged on two sides of the fixing frame; the first belt pulley group is arranged between the two second screw rods far away from the seat plate; the second belt pulley group is arranged between the second screw rods on one side; the third belt pulley group is arranged between the second screw rods on the other side; the second turntable is arranged on one of the second screw rods; the table frame is arranged between the second screw rods through threads; the table plate is arranged on the table frame.

Further, it is particularly preferable that: the special-shaped block shaft is arranged on the supporting plate in a sliding manner; the first elastic piece is arranged between the special-shaped block shaft and the supporting plate; the first belt wheel is arranged on the special-shaped block shaft; the pressing plate is slidably mounted on the supporting plate; the second elastic pieces are arranged between the two sides of the pressing plate and the supporting plate; the second belt wheel is arranged on the first screw rod; the third belt wheel is arranged on the second screw rod; and the flat belt is arranged among the first belt wheel, the second belt wheel and the third belt wheel.

Further, it is particularly preferable that: the first rotating shaft is rotatably arranged on the seat plate; the backrest is arranged on the first rotating shaft; the positioning frames are arranged on two sides of the seat board; the rotary supporting frame is arranged on the backrest and is in sliding fit with the positioning frame; the circular positioning blocks are arranged on two sides of the rotary support frame in a sliding mode and matched with the positioning frame; the third elastic piece is arranged between the circular positioning block and the rotary supporting frame; the top plate is slidably mounted on the positioning frame; the fourth elastic piece is arranged between the top plate and the positioning frame; the rotating handles are arranged on two sides of the first rotating shaft and matched with the top plate; the block seat is arranged on the seat board and matched with the backrest.

Further, it is particularly preferable that: the second rotating shaft is rotatably arranged on the table plate; the placing plate is arranged on the second rotating shaft; the supporting rod is rotatably arranged on the placing plate; the extension board, the rotary type is installed and is placed on the board.

Further, it is particularly preferable that: the third rotating shaft is rotatably arranged on the table plate; the fixing ring is arranged on the third rotating shaft; and the water cup seat is arranged on the third rotating shaft.

In addition, it is particularly preferred that the cup holder is made of plastic.

The invention has the following advantages: 1. the invention can be used for students to attend class, the height of the seat board and the height of the desk board can be simply adjusted by the seat lifting mechanism and the desk lifting mechanism, so that the invention can adapt to students with different heights, and the students can concentrate attention during class;

2. the angle of the backrest can be adjusted, so that students feel more comfortable when using the chair;

3. the invention can ensure that the placing plate keeps an inclined state, thereby ensuring that students place books on the placing plate in an inclined state, and facilitating the students to learn better;

4. the cup holder can be used for placing a cup, and meanwhile, the cup holder can protect the cup, so that the cup cannot fall down easily.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the seat lifting mechanism of the present invention.

Fig. 3 is an exploded view of the table lifting mechanism of the present invention.

Fig. 4 is a schematic diagram of a first partial explosion of the present invention.

Fig. 5 is a second partially exploded view of the present invention.

Fig. 6 is an exploded view of a third embodiment of the present invention.

Fig. 7 is a fourth partially exploded view of the present invention.

Wherein the figures include the following reference numerals: 1. a fixed frame, 2, a support plate, 3, a seat lifting mechanism, 301, a support base, 302, a first screw rod, 303, a worm wheel, 304, a seat plate, 305, a first bearing base, 306, a second bearing base, 307, a worm, 308, a first turntable, 4, a table lifting mechanism, 401, a second screw rod, 402, a first pulley set, 403, a second pulley set, 404, a third pulley set, 405, a second turntable, 406, a table frame, 407, a table plate, 5, a special-shaped block shaft, 6, a first elastic member, 7, a first pulley, 8, a pressing plate, 9, a second elastic member, 10, a second pulley, 11, a third pulley, 12, a flat belt, 13, a first rotating shaft, 14, a backrest, 15, a positioning frame, 16, a rotating support frame, 17, a circular positioning block, 18, a third elastic member, 19, a top plate, 20, a fourth elastic member, 21, a rotating handle, 22, a clamping block base, 23, a top plate, 20, The cup holder comprises a second rotating shaft, 24, a placing plate, 25, a support rod, 26, a support plate, 27, a third rotating shaft, 28, a fixing ring, 29 and a cup holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

An adjustable telescopic student desk and chair is shown in figures 1-3 and comprises a fixed frame 1, a supporting plate 2, a seat lifting mechanism 3 and a desk lifting mechanism 4, wherein the supporting plate 2 is connected to the lower portion of the fixed frame 1, the seat lifting mechanism 3 is arranged on the front side of the supporting plate 2, and the desk lifting mechanism 4 is arranged on the fixed frame 1.

The student can use the device in class, if the student does not adapt to the height of the device, the seat lifting mechanism 3 and the table lifting mechanism 4 can be adjusted until the device is adjusted to the appropriate height.

The seat lifting mechanism 3 comprises a supporting seat 301, a first lead screw 302, a worm wheel 303, a seat plate 304, a first bearing seat 305, a second bearing seat 306, a worm 307 and a first rotary disc 308, the supporting seat 301 is connected to the front side of the supporting plate 2, the first lead screw 302 is connected to the supporting seat 301 through threads, the worm wheel 303 is connected to the upper portion of the first lead screw 302, the seat plate 304 is rotatably connected to the upper portion of the first lead screw 302, the first bearing seat 305 is connected to the left side and the right side of the lower portion of the seat plate 304, the second bearing seat 306 is connected to the left side of the lower portion of the seat plate 304, the worm 307 is connected between the second bearing seat 306 and the first bearing seat.

The student can sit on bedplate 304, if the student does not adapt to bedplate 304 when high, alright control first carousel 308 and rotate to make worm 307 rotatory, and then drive worm wheel 303 and first lead screw 302 rotatory, thereby make first lead screw 302, worm wheel 303, bedplate 304 and its last part go up and down together, so, alright adjust the height of bedplate 304, after bedplate 304 removes suitable height, stop rotatory first carousel 308 can.

Desk elevating system 4 is including second lead screw 401, first pulley group 402, second pulley group 403, third pulley group 404, second carousel 405, table frame 406 and table 407, the equal bilateral symmetry rotary type in both sides is connected with second lead screw 401 around mount 1, be connected with first pulley group 402 between two second lead screws 401 of rear side, be connected with second pulley group 403 between the left second lead screw 401, be connected with third pulley group 404 between the second lead screw 401 on right side, the left second lead screw 401 bottom in the place ahead is connected with second carousel 405, there is table frame 406 through threaded connection between the second lead screw 401, table frame 406 top is connected with table 407.

In class, the student can place books on table 407, if the student does not adapt to the height of table 407, alright control second carousel 405 rotates, second carousel 405 can drive the left second lead screw 401 in the place ahead and rotate, thereby through first pulley group 402, second pulley group 403 and third pulley group 404 drive other second lead screws 401 and rotate, and then make table frame 406 and table 407 go up and down, so, alright adjust the height of table 407, after table 407 removed suitable height, stop rotatory second carousel 405 can.

Example 2

On the basis of embodiment 1, as shown in fig. 4 to 7, the device further includes a special-shaped block shaft 5, a first elastic member 6, a first pulley 7, a pressing plate 8, a second elastic member 9, a second pulley 10, a third pulley 11 and a flat belt 12, the special-shaped block shaft 5 is slidably connected to the left side of the supporting plate 2, the first elastic member 6 is connected between the special-shaped block shaft 5 and the supporting plate 2, the first pulley 7 is connected to the lower portion of the special-shaped block shaft 5, the pressing plate 8 is slidably arranged on the left side of the supporting plate 2, the second elastic members 9 are respectively connected between the front side and the rear side of the pressing plate 8 and the supporting plate 2, the second pulley 10 is connected to the lower portion of the first lead screw 302, the third pulley 11 is connected to the lower portion of the second lead screw 401, and the flat belt 12 is.

If it is necessary to control the seat plate 304 and the table 407 to adjust in the same direction, the pressing plate 8 may be pressed downward, the second elastic element 9 is compressed, the pressing plate 8 moves downward to move the irregular block shaft 5 and the first pulley 7 to the rear side, the first elastic element 6 is compressed, the first pulley 7 moves backward to enable the flat belt 12 to be in a tightened state, and then the first turntable 308 may drive the first lead screw 302 to rotate, so that the second lead screw 401 on the left front side is driven to rotate by the first pulley 7, the second pulley 10, the third pulley 11 and the flat belt 12, so as to simplify the operation process, when it is not necessary to control the seat plate 304 and the table 407 to adjust in the same direction, the pressing plate 8 may be stopped from being pressed downward, and the first elastic element 6 and the second elastic element 9 automatically rebound, thereby driving the pressing plate 8, the irregular block shaft 5 and the first pulley 7 to reset.

The chair seat plate comprises a first rotating shaft 13, a backrest 14, a positioning frame 15, a rotating support frame 16, a circular positioning block 17, a third elastic part 18, a top plate 19, a fourth elastic part 20, a rotating handle 21 and a clamping block seat 22, wherein the front side of the seat plate 304 is rotatably connected with the first rotating shaft 13, the first rotating shaft 13 is connected with the backrest 14, the left side and the right side of the lower part of the seat plate 304 are both connected with the positioning frame 15, the lower part of the front side of the backrest 14 is connected with the rotating support frame 16, the rotating support frame 16 is in sliding fit with the positioning frame 15, the left side and the right side of the lower part of the rotating support frame 16 are both provided with the circular positioning block 17 in a sliding manner, the circular positioning block 17 is matched with the positioning frame 15, the third elastic part 18 is connected between the circular positioning block 17 and the rotating support frame 16, the outer side of the positioning frame 15 is both connected with, the rotary handle 21 is matched with the top plate 19, the front side of the lower part of the seat plate 304 is connected with a block seat 22, and the block seat 22 is matched with the backrest 14.

When a student sits on the seat plate 304 and can be reliably positioned on the backrest 14, if the backrest 14 needs to be adjusted, the rotary handle 21 can be controlled to rotate clockwise, so that the top plate 19 is pushed towards the inner side of the positioning frame 15, the fourth elastic element 20 is compressed, when the top plate 19 moves towards the inner side of the positioning frame 15, the circular positioning block 17 can be pushed towards the inner side of the rotary supporting frame 16, the third elastic element 18 is compressed, when the circular positioning block 17 moves to be not matched with the positioning frame 15, the student can control the backrest 14 to rotate, so that the angle of the backrest 14 can be adjusted, when the angle of the backrest 14 is adjusted, the fixture block seat 22 can generate resistance on the backrest 14, the backrest 14 is prevented from moving randomly, when the backrest 14 is adjusted to be a proper angle, the rotary handle 21 can be controlled to reset, then the third elastic element 18 and the fourth elastic element 20 both automatically rebound to drive the top plate 19 and the circular positioning block 17 to reset, and the circular positioning block 17 can be matched with the positioning frame 15, thereby fixing the rotation support 16 and the backrest 14.

The desk comprises a desk plate 407 and is characterized by further comprising a second rotating shaft 23, a placing plate 24, a supporting rod 25 and a supporting plate 26, wherein the front side of the desk plate 407 is rotatably connected with the second rotating shaft 23, the placing plate 24 is connected onto the second rotating shaft 23, the lower portion of the placing plate 24 is rotatably connected with the supporting rod 25 at the rear side, and the front side of the placing plate 24 is rotatably connected with the supporting plate 26.

The student can upwards be rotated with placing board 24 when reading, puts down branch 25 again for place board 24 and be in the tilt state, then upwards rotates extension board 26, and the student alright place books and study on placing board 24, and extension board 26 can prevent the books landing simultaneously, and the better study of being convenient for student need not to make books when inclining, alright control place board 24, branch 25 and extension board 26 and reset.

The desk plate is characterized by further comprising a third rotating shaft 27, a fixing ring 28 and a cup seat 29, the third rotating shaft 27 is rotatably arranged on the right side of the desk plate 407, the fixing ring 28 is connected to the lower portion of the third rotating shaft 27, and the cup seat 29 is connected to the middle portion of the third rotating shaft 27.

When the student needs to place the water cup, the water cup seat 29 can be rotated outwards, so that the water cup seat 29 is not blocked by the table 407, then the water cup can be placed in the water cup seat 29, the water cup is prevented from falling down easily, and when the student does not need to place the water cup, the water cup seat 29 can be rotated to the lower side of the table 407, so that the table 407 blocks the water cup seat 29.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. The utility model provides a telescopic student's desk chair with adjustable, characterized by, including:

a fixed frame (1);

the supporting plate (2) is arranged on the fixing frame (1);

the seat lifting mechanism (3) is arranged on the supporting plate (2);

the desk lifting mechanism (4) is arranged on the fixed frame (1).

2. An adjustable, telescopic student desk and chair as claimed in claim 1 wherein the seat lifting mechanism (3) comprises:

the supporting seat (301) is arranged on the supporting plate (2);

the first screw rod (302) is arranged on the supporting seat (301) through threads;

a worm gear (303) mounted on the first lead screw (302);

the seat plate (304) is rotatably arranged on the first screw rod (302);

first bearing seats (305) mounted on both sides of the seat plate (304);

a second bearing housing (306) mounted on the seat plate (304);

a worm (307) installed between the second bearing housing (306) and the first bearing housing (305), the worm (307) being engaged with the worm wheel (303);

a first turntable (308) mounted on the worm (307).

3. An adjustable telescopic student desk and chair as claimed in claim 2 wherein the desk lifting mechanism (4) comprises:

the second screw rods (401) are rotatably and symmetrically arranged on two sides of the fixing frame (1);

the first belt pulley set (402) is arranged between the two second screw rods (401) far away from the seat plate (304);

the second belt pulley group (403) is arranged between the second screw rods (401) on one side;

the third belt pulley set (404) is arranged between the second screw rods (401) on the other side;

a second turntable (405) mounted on one of the second lead screws (401);

the table frame (406) is installed between the second screw rods (401) through threads;

and a table plate (407) mounted on the table frame (406).

4. An adjustable, retractable student desk and chair as claimed in claim 3 further comprising:

the special-shaped block shaft (5) is arranged on the supporting plate (2) in a sliding manner;

the first elastic piece (6) is arranged between the special-shaped block shaft (5) and the supporting plate (2);

the first belt wheel (7) is arranged on the special-shaped block shaft (5);

the pressing plate (8) is arranged on the supporting plate (2) in a sliding manner;

the second elastic pieces (9) are arranged between the two sides of the pressing plate (8) and the supporting plate (2);

a second pulley (10) mounted on the first lead screw (302);

a third belt pulley (11) mounted on the second screw (401);

and the flat belt (12) is arranged among the first belt wheel (7), the second belt wheel (10) and the third belt wheel (11).

5. An adjustable, retractable student desk and chair as claimed in claim 4 further comprising:

the first rotating shaft (13) is rotatably arranged on the seat plate (304);

a backrest (14) mounted on the first rotary shaft (13);

the positioning frames (15) are arranged on two sides of the seat plate (304);

the rotary support frame (16) is arranged on the backrest (14), and the rotary support frame (16) is in sliding fit with the positioning frame (15);

the circular positioning blocks (17) are arranged on two sides of the rotary support frame (16) in a sliding mode, and the circular positioning blocks (17) are matched with the positioning frame (15);

the third elastic piece (18) is arranged between the circular positioning block (17) and the rotary supporting frame (16);

a top plate (19) slidably mounted on the positioning frame (15);

the fourth elastic piece (20) is arranged between the top plate (19) and the positioning frame (15);

the rotating handles (21) are arranged on two sides of the first rotating shaft (13), and the rotating handles (21) are matched with the top plate (19);

the block seat (22) is arranged on the seat plate (304), and the block seat (22) is matched with the backrest (14).

6. An adjustable, retractable student desk and chair as claimed in claim 5 further comprising:

the second rotating shaft (23) is rotatably arranged on the table plate (407);

a placing plate (24) mounted on the second rotating shaft (23);

a support rod (25) rotatably mounted on the placing plate (24);

and a support plate (26) rotatably mounted on the placement plate (24).

7. An adjustable, retractable student desk and chair as claimed in claim 6 further comprising:

a third rotating shaft (27) rotatably mounted on the table plate (407);

a fixed ring (28) mounted on the third rotating shaft (27);

and the water cup seat (29) is arranged on the third rotating shaft (27).

8. An adjustable, telescopic student desk and chair as claimed in claim 7 wherein the cup holder (29) is of plastics material.